Overview: In the '80s, networks like CNN help drive the stratospheric rise of cable. The 24-hour news channel's coverage of John Lennon's death at the start of the 80s and the rescue of baby Jessica McClure near the end cemented its place in viewers' homes. Niche channels are spawned, including MTV, QVC and many televangelism networks. The downfall of televangelists Jim and Tammy Bakker becomes must-see TV.